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Cardinal Heating & Air Conditioning

Plumbing for a Remodel or Addition - Install, Faucets, Fixtures and Pipes Repair or Replace, Water Heater Installation and Replacement,

About us

Cardinal Heating & Air Conditioning, Inc is a full service plumbing, and heating and cooling company for both residential and commercial work. We serve the Sun Prairie and surrounding areas. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer?s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call today for a free estimate.

Business highlights

Veteran owned and operated
42 years of experience

Memberships & Affiliations

BBB Accredited

Amenities

Free Estimates

Yes

Accepted Payment Methods

  • CreditCard
Reviews
4.9144 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
95%
4
3%
3
1%
2
1%
1
1%

Filter reviews by service

Showing 1-25 of 144 reviews
Gail B.
May 2026
5.0
Faucets, Fixtures and Pipes Repair or Replace
They did an amazing, prompt and professional. He cleaned up after himself and he was easy to work with.

Ariel S.
Mar 2026
5.0
Alex was great! Super helpful and knowledgeable

Larry W.
Mar 2026
5.0
$17
Annual Cardinal Care HVAC review. Wonderful young man, Ryan, who knew his stuff and was very pleasant.

Bob K.
Mar 2026
5.0
This was a routine service call and the technician was on time and very professional. I would highly recommend Cardinal for any work on heating or air conditioning.

Debra A.
Mar 2026
5.0
My home generator needed servicing

Sandra S.
Mar 2026
5.0
$115
It is determined that the furnace is 10 years past its normal lifespan. They will send a second person later today to give an estimate for a new furnace.

Timothy K.
Mar 2026
5.0
Water Treatment & Purification System - Repair or Service
$935
Yes, very professional and polite. They even covered their shoes before coming in.

Kirsten P.
Feb 2026
5.0
Professional, fantastic customer service!! Great communication!

Teresa W.
Feb 2026
5.0
Faucets, Fixtures and Pipes Repair or Replace
$554
Very nice young men fixed issue in 15 minutes cost a little high

Mark W.
Feb 2026
5.0
Yes, I recommend this pro
$100
Dan C and Kyle came on time around my busy schedule and diagnosed the problem and fixed it in a very timely fashion Thanks so much!

Joel T.
Jan 2026
5.0
Yes, I recommend this pro
$350
Jarod did a great job and was very helpful in suggesting future work and explaining costs and benefits for us.

John M.
Jan 2026
5.0
Yes, I recommend this pro
$400
I've also used Cardinal for electrical and HVAC service. Cardinal has the best service and technicians of any HVAC, plumbing and electrical service I've ever used. Very well run, customer focused business, with prompt service and very fair pricing.

Karen M.
Nov 2025
5.0
Water Heater Installation and Replacement
If I could have given more than 5 stars I would have!

Joe K.
Nov 2025
5.0
Yes, I recommend this pro
$900
Had an old fixture above kitchen sink go kaput (fluorescent starter disintegrated), so Cardinal came out and offered LED alternatives (two provided, brought on-hand from supply warehouse). Also fixed a switched outlet that had shorted out. Great work done, nice alternatives for the LED light, and switched outlet was wired to be always-on for one socket and switched for the other -- better than it was before at no additional cost. Later I called to ask the exact serial and model number of the LED light because the papers left did not state it. Not only did I get an email a couple hours later with the model/serial, the tech included the detailed documentation for the fixture so if anything goes wrong I can likely fix it myself next time. The tech who did the work also applied a 10% off discount card for me with no extra hassle, saving me close to $100 on the work.

Joe R.
Oct 2025
5.0
Yes, I recommend this pro
$1
Mason did a great job on replacing my old shower control in the bathroom tub with a beautiful new chrome set of fixtures and made sure everything was working as expected, including cleaning out the drain.

Meg V.
Oct 2025
5.0
Yes, I recommend this pro
Nick our technician was professional, informative and explained everything he was doing in detail and at a level we could understand and follow. We are so impressed with Cardinal, with Nick the technician and will not only hire them again, but highly recommend them to family and friends.

Emily J.
Oct 2025
5.0
Gas Piping
$250
Great admin ops, smooth communication, and speedy fast problem-solving. A tech came out in the AM, and was unable to help - we needed a plumber specifically. He called the office and scheduled one to come out later that day - working with our time constraints along the way. Appreciate the great service! Bonus - they send fun bio cards letting you know who’s going to be coming into your home ~30 mins before they show up.

June G.
Oct 2025
5.0
Yes, I recommend this pro
$119
The inspection turned into a new furnace and air conditioner. I decided to take advantage of their special of $1000 off if you replace both. Mine were old enough so that I decided to replace rather than repair. Technicians were very pleasant, knowledgeable, and professional.

Patricia H.
Sep 2025
5.0
Yes, I recommend this pro
Prompt, professional, friendly service, efficient

Mike S.
Sep 2025
5.0
Yes, I recommend this pro
$775
Good service. Glad I used Cardinal!

Joyce F.
Sep 2025
5.0
Yes, I recommend this pro
$104
Everything went great and the employee was very knowledgeable and did a great job.

Lori S.
Aug 2025
5.0
Yes, I recommend this pro
$300
It’s very hard to find a good plumber in this area, but John from Cardinal was great! He was knowledgeable and explained everything very well. Finally, a good, competent company!

Shirley S.
Aug 2025
5.0
Yes, I recommend this pro
We were very satisfied with the job that was done on our air conditioner. This was on a maintenance schedule that we have with Cardinal. They call us Tehran our services are and we set up an appointment. Very easy.

Alan S.
Aug 2025
5.0
Yes, I recommend this pro
$525
We had a garbage disposal replaced. The first replacement had an issue so the technician called for another replacement and that one worked great! Technician was professional and friendly, and did a great job!

Quinn F.
Jul 2025
5.0
Yes, I recommend this pro
$8,000
Excellent, Excellent experience with Cardinal! Replaced hot water heater, water softener, two toilets and outdoor spigots. The two-person crew was highly professional, and provided top notch service and expertise. Highly recommend Cardinal for plumbing and electrical and HVAC needs.
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Showing 1-25 of 144

Licensing

Licensed*

Trade License Number

664700

Trade License Locale

WI

Trade License Expiration

03/31/2027

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

*Contact business to see additional licenses.

FAQ

Cardinal Heating & Air Conditioning is currently rated 4.9 overall out of 5.

Monday: 7:00 AM - 5:00 PM Tuesday: 7:00 AM - 5:00 PM Wednesday: 7:00 AM - 5:00 PM Thursday: 7:00 AM - 5:00 PM Friday: 7:00 AM - 5:00 PM Saturday: Closed Sunday: Closed

Cardinal Heating & Air Conditioning accepts the following forms of payment: CreditCard

Yes, Cardinal Heating & Air Conditioning offers free project estimates.

No, Cardinal Heating & Air Conditioning does not offer eco-friendly accreditations.

No, Cardinal Heating & Air Conditioning does not offer emergency services.

No, Cardinal Heating & Air Conditioning does not offer warranties.